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The engine type best suited to a long range subsonic transport is the

  • A.Rocket
  • B.High bypass turbofan
  • C.Turbojet
  • D.Ramjet

Answer: B

It offers the lowest fuel consumption in the cruise speed band those aircraft occupy, together with acceptable noise. A turbojet would burn far more fuel and a ramjet would not work at all at those speeds, having no thrust at rest.

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